#include "chartdir.h"
int main(int argc, char *argv[])
{
// The XY points for the scatter chart
double dataX[] = {200, 400, 300, 250, 500};
double dataY[] = {40, 100, 50, 150, 250};
// The custom symbols for the points
const char *symbols[] = {"robot1.png", "robot2.png", "robot3.png", "robot4.png",
"robot5.png"};
// Create a XYChart object of size 450 x 400 pixels
XYChart *c = new XYChart(450, 400);
// Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light grey
// border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light
// grey color (0xc0c0c0)
c->setPlotArea(55, 40, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a title to the chart using 18 pts Times Bold Itatic font.
c->addTitle("Battle Robots", "timesbi.ttf", 18);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Speed (km/s)", "arialbi.ttf", 12);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c->xAxis()->setTitle("Range (km)", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->xAxis()->setWidth(3);
c->yAxis()->setWidth(3);
// Add each point of the data as a separate scatter layer, so that they can have
// a different symbol
int i;
for(i = 0; i < (int)(sizeof(dataX) / sizeof(dataX[0])); ++i) {
double coor1[] = {dataX[i]};
double coor2[] = {dataY[i]};
c->addScatterLayer(DoubleArray(coor1, (int)(sizeof(coor1) / sizeof(coor1[0]))
), DoubleArray(coor2, (int)(sizeof(coor2) / sizeof(coor2[0])))
)->getDataSet(0)->setDataSymbol(symbols[i]);
}
// Output the chart
c->makeChart("scattersymbols.png");
//free up resources
delete c;
return 0;
} |